Overview
The MC33269DTRK-3.3G is a fixed and adjustable low dropout positive voltage regulator produced by onsemi. This regulator is designed to provide a medium current of 800 mA and is available in a TO-252-3 (DPAK) package. It is suitable for applications requiring precision voltage regulation with minimal power losses. The regulator features a 1.0 V dropout composite PNP−NPN pass transistor, current limiting, and thermal shutdown, making it a reliable choice for various electronic systems.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | onsemi |
| Regulator Type | Low Dropout Voltage |
| Maximum Output Current | 800 mA |
| Output Voltage | 3.3 V |
| Number of Outputs | 1 |
| Line Regulation | 0.3 % |
| Accuracy | ±1 % |
| Load Regulation | 0.5 % |
| Mounting Type | Surface Mount |
| Polarity | Positive |
| Package Type | DPAK (TO-252-3) |
| Quiescent Current | 20 mA (typical) |
| Pin Count | 3 |
| Output Type | Fixed |
| Dimensions | 6.73 x 6.22 x 2.38 mm |
| Maximum Operating Temperature | +125 °C |
| Minimum Operating Temperature | -40 °C |
| Maximum Input Voltage | 20 V |
| Dropout Voltage-Max | 1.35 V |
Key Features
- 3.3 V, 5.0 V, 12 V and Adjustable Versions
- Space Saving DPAK, SO−8 and SOT−223 Power Packages
- 1.0 V Dropout
- Output Current in Excess of 800 mA
- Thermal Protection
- Short Circuit Protection
- Output Trimmed to 1.0% Tolerance
- Pb−Free Packages are Available
- NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable.
Applications
The MC33269DTRK-3.3G is suitable for a variety of applications that require precise voltage regulation with low dropout voltage. These include:
- Low input voltage applications where power losses need to be minimized.
- Automotive systems, especially those requiring AEC-Q100 qualification and PPAP capability.
- Battery-backed power supplies and digitally controlled voltage regulators.
- General-purpose voltage regulation in electronic devices where space is a constraint, due to its compact DPAK package.
Q & A
- What is the maximum output current of the MC33269DTRK-3.3G?
The maximum output current is 800 mA.
- What is the output voltage of the MC33269DTRK-3.3G?
The output voltage is fixed at 3.3 V.
- What is the maximum input voltage for the MC33269DTRK-3.3G?
The maximum input voltage is 20 V.
- What type of package does the MC33269DTRK-3.3G come in?
The regulator is available in a TO-252-3 (DPAK) package.
- Does the MC33269DTRK-3.3G have thermal protection?
Yes, it includes thermal protection.
- Is the MC33269DTRK-3.3G suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other similar applications.
- What is the quiescent current of the MC33269DTRK-3.3G?
The quiescent current is typically 20 mA.
- What is the dropout voltage of the MC33269DTRK-3.3G?
The maximum dropout voltage is 1.35 V.
- Does the MC33269DTRK-3.3G have short circuit protection?
Yes, it includes short circuit protection.
- What is the operating temperature range of the MC33269DTRK-3.3G?
The operating temperature range is from -40°C to +125°C.
